No abstract available
Publication types
-
Comment
-
Editorial
-
Research Support, N.I.H., Extramural
MeSH terms
-
Absenteeism
-
Adolescent
-
Child
-
Humans
-
Influenza A Virus, H1N1 Subtype*
-
Influenza, Human / epidemiology*
-
Organizational Policy*
-
Prospective Studies
-
Research*
-
Schools*
-
Washington / epidemiology